Q3 Geometry Review

• 3

• 7

• 4

• 9

• 63 degrees

• 60 degrees

• 74 degrees

• 64 degrees

What is this type of triangle?

• Equilateral

• Isosceles

• Scalene

• Obtuse

Isosceles triangles have 2 congruent sides and angles

• True
• False

Scalene triangles have congruent angles and not congruent sides

• True
• False

Which equation is Triangle Inequality?

• Right: a^2 + b^2 = c^2

  Acute: a^2 + b^2 > c^2

  Obtuse: a^2 + b^2 < c^2

• a + b > c

  a + c > b

  b + c > a

• If angle A < angle B < angle C, then a < b < c

Which equation is Pythagorean Theorem & Pythagorean Inequality?

• Right: a^2 + b^2 = c^2

  Acute: a^2 + b^2 > c^2

  Obtuse: a^2 + b^2 < c^2

• a + b > c

  a + c > b

  b + c > a

• If angle A < angle B < angle C, then a < b < c

Which equation is Angle/Side Relationship?

• Right: a^2 + b^2 = c^2

  Acute: a^2 + b^2 > c^2

  Obtuse: a^2 + b^2 < c^2

• a + b > c

  a + c > b

  b + c > a

• If angle A < angle B < angle C, then a < b < c

Interior angles in a triangle sum to ___ degrees.

Find angle B.

• 89 degrees

• 45 degrees
• 75 degrees
• 60 degrees